Extrinsic Muscles of Larynx

Question 1

Answer 1

Digastric Muscle

• Anterior Belly
• Posterior Belly

Question 2

Answer 2

Digastric

• The posterior belly muscle raises the hyoid bone and supports it during swallowing.
• With other muscles of mastication relaxed, digartric opens the mouth

Question 3

Mylohhyoid

Answer 3

Actions:

• Elevates the hyoid bone, tenses the floor of the mouth
• Supports floor of mouth

Question 4

Mylohyoid

Answer 4

Actions:

• Elevates the hyoid bone
• tenses the floor of the mouth
• flat muscles that form a sling inferior to the tongues
• supports the mouth

Question 5

Geniohyoid

Answer 5

• Pulls the hyoid bone anterosuperiorly
• Shortens the foor of the mouth and widens the PHARYNX during SWALLOWING

Question 6

STYLOHYOID

Answer 6

• Green line
• Elevates and retracts they hyoid bone
• Elongates the floor of the mouth during swallowing